diff --git a/src/main/java/gregtech/api/metatileentity/implementations/MTEMultiBlockBase.java b/src/main/java/gregtech/api/metatileentity/implementations/MTEMultiBlockBase.java
index d250943a233..67761284227 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/MTEMultiBlockBase.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/MTEMultiBlockBase.java
@@ -1468,6 +1468,19 @@ public boolean drain(MTEHatch hatch, FluidStack fluid, boolean doDrain) {
         return false;
     }
 
+    public ItemStack getConfigurationCircuit() {
+        for (MTEHatchInputBus tHatch : filterValidMTEs(mInputBusses)) {
+            if (tHatch.allowSelectCircuit()) {
+                // Grabs the first ghost circuit we can find and returns it
+                ItemStack stack = tHatch.getStackInSlot(tHatch.getCircuitSlot());
+                if (stack != null) {
+                    return stack;
+                }
+            }
+        }
+        return null;
+    }
+
     public ArrayList<ItemStack> getStoredInputs() {
         ArrayList<ItemStack> rList = new ArrayList<>();
         Map<GTUtility.ItemId, ItemStack> inputsFromME = new HashMap<>();
diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/MTELargeBoiler.java b/src/main/java/gregtech/common/tileentities/machines/multi/MTELargeBoiler.java
index fdda78122bb..a5dce612843 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/MTELargeBoiler.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/MTELargeBoiler.java
@@ -54,6 +54,7 @@
 import gregtech.api.util.GTRecipe;
 import gregtech.api.util.GTUtility;
 import gregtech.api.util.MultiblockTooltipBuilder;
+import gtPlusPlus.xmod.gregtech.api.enums.GregtechItemList;
 
 public abstract class MTELargeBoiler extends MTEEnhancedMultiBlockBase<MTELargeBoiler>
     implements ISurvivalConstructable {
@@ -95,7 +96,7 @@ protected IStructureDefinition<MTELargeBoiler> computeValue(Class<?> type) {
     };
     private boolean firstRun = true;
     private int mSuperEfficencyIncrease = 0;
-    private int integratedCircuitConfig = 0; // Steam output is reduced by 1000L per config
+    private float integratedCircuitConfig = 0; // Steam output is reduced by 1000L per config
     private int excessWater = 0; // Eliminate rounding errors for water
     private int excessFuel = 0; // Eliminate rounding errors for fuels that burn half items
     private int excessProjectedEU = 0; // Eliminate rounding errors from throttling the boiler
@@ -182,7 +183,7 @@ protected MultiblockTooltipBuilder createTooltip() {
 
     public abstract int getEfficiencyIncrease();
 
-    public int getIntegratedCircuitConfig() {
+    public float getIntegratedCircuitConfig() {
         return integratedCircuitConfig;
     }
 
@@ -258,12 +259,34 @@ protected boolean filtersFluid() {
     public CheckRecipeResult checkProcessing() {
         if (!isFuelValid()) return CheckRecipeResultRegistry.NO_FUEL_FOUND;
         // Do we have an integrated circuit with a valid configuration?
-        if (Circuit_Integrated.isStackEqual(mInventory[1], true, true)) {
-            int circuit_config = mInventory[1].getItemDamage();
+
+        // If we don't have a circuit in the main inventory, check the hatch(s) for a ghost circuit
+        ItemStack hatchCircuit = mInventory[1] != null ? mInventory[1] : getConfigurationCircuit();
+
+        if (Circuit_Integrated.isStackEqual(hatchCircuit, true, true)) {
+            int circuit_config = hatchCircuit.getItemDamage();
             if (circuit_config >= 1 && circuit_config <= 25) {
                 // If so, overwrite the current config
                 this.integratedCircuitConfig = circuit_config;
             }
+        }
+        // TODO: Add logic for breakthrough and bio circuits
+        // Logically, biocircuit should be 1/2 of a normal circuit, however, throttle calculations are in eu/t (int)
+        // If we change the config to be a float, it will work since numbers such as 0.5, 0.75, 0.875, etc are evenly
+        // represented in binary
+        // EX: 1/2 of a normal circuit would be 12.5 eu/t, it would round to 12 eu/t
+        else if (GregtechItemList.Circuit_BioRecipeSelector.isStackEqual(hatchCircuit, true, true)) {
+            float circuit_config = hatchCircuit.getItemDamage();
+            if (circuit_config >= 1 && circuit_config <= 25) {
+                // If so, overwrite the current config
+                this.integratedCircuitConfig = circuit_config / 2;
+            }
+        } else if (GregtechItemList.Circuit_T3RecipeSelector.isStackEqual(hatchCircuit, true, true)) {
+            int circuit_config = hatchCircuit.getItemDamage();
+            if (circuit_config >= 1 && circuit_config <= 25) {
+                // If so, overwrite the current config
+                this.integratedCircuitConfig = circuit_config * 2;
+            }
         } else {
             // If not, set the config to zero
             this.integratedCircuitConfig = 0;
@@ -470,7 +493,7 @@ public boolean explodesOnComponentBreak(ItemStack aStack) {
     }
 
     private int adjustEUtForConfig(int rawEUt) {
-        int adjustedSteamOutput = rawEUt - (isSuperheated() ? 75 : 25) * integratedCircuitConfig;
+        int adjustedSteamOutput = (int) (rawEUt - (isSuperheated() ? 75 : 25) * integratedCircuitConfig);
         return Math.max(adjustedSteamOutput, 25);
     }
 
@@ -485,7 +508,7 @@ private int adjustBurnTimeForConfig(int rawBurnTime) {
         if (mEfficiencyIncrease <= 5000 && mEfficiency < getCorrectedMaxEfficiency(mInventory[1])) {
             return rawBurnTime;
         }
-        int adjustedEUt = Math.max(25, getEUt() - (isSuperheated() ? 75 : 25) * integratedCircuitConfig);
+        int adjustedEUt = (int) Math.max(25, getEUt() - (isSuperheated() ? 75 : 25) * integratedCircuitConfig);
         int adjustedBurnTime = (int) (rawBurnTime * (long) getEUt() / adjustedEUt);
         this.excessProjectedEU += getEUt() * rawBurnTime - adjustedEUt * adjustedBurnTime;
         adjustedBurnTime += this.excessProjectedEU / adjustedEUt;